public class Book {
    String title;
    String author;
    String isbn;
    String month;
    int year;
    String publisher;
    String address;

    public String getAddress() {
        return address;
    }

    public String getAuthor() {
        return author;
    }

    public String getIsbn() {
        return isbn;
    }

    public String getMonth() {
        return month;
    }

    public String getPublisher() {
        return publisher;
    }

    public String getTitle() {
        return title;
    }

    public int getYear() {
        return year;
    }

    public void setAddress(String string) {
        address = string;
    }

    public void setAuthor(String string) {
        author = string;
    }

    public void setIsbn(String string) {
        isbn = string;
    }

    public void setMonth(String string) {
        month = string;
    }

    public void setPublisher(String string) {
        publisher = string;
    }

    public void setTitle(String string) {
        title = string;
    }

    public void setYear(int i) {
        year = i;
    }

    public String toString() {
        return title + " by " + author;
    }
}
BookHandler.java
package com.sauria.apachexml.ch1;

import java.util.Stack;

import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.helpers.DefaultHandler;

public class BookHandler extends DefaultHandler {
    private Stack elementStack = new Stack();
    private Stack textStack = new Stack();
    private StringBuffer currentText = null;
    private Book book = null;

    public Book getBook() {
        return book;
    }

    public void startElement(
        String uri,
        String localPart,
        String qName,
        Attributes attributes)
        throws SAXException {
        currentText = new StringBuffer();
        textStack.push(currentText);
        elementStack.push(localPart);
        if (localPart.equals("book")) {
            String version = attributes.getValue("", "version");
            if (version != null && !version.equals("1.0"))
                throw new SAXException("Incorrect book version");
            book = new Book();
        }
    }

    public void endElement(String uri, String localPart,
        String qName)
        throws SAXException {
        String text = textStack.pop().toString();
        if (localPart.equals("book")) {
        } else if (localPart.equals("title")) {
            book.setTitle(text);
        } else if (localPart.equals("author")) {
            book.setAuthor(text);
        } else if (localPart.equals("isbn")) {
            book.setIsbn(text);
        } else if (localPart.equals("month")) {
            book.setMonth(text);
        } else if (localPart.equals("year")) {
            int year;
            try {
                year = Integer.parseInt(text);
            } catch (NumberFormatException e) {
                throw new SAXException("year must be a number");
            }
            book.setYear(year);
        } else if (localPart.equals("publisher")) {
            book.setPublisher(text);
        } else if (localPart.equals("address")) {
            book.setAddress(text);
        } else {
            throw new SAXException("Unknown element for book");
        }
        elementStack.pop();
    }

    public void characters(char[] ch, int start, int length)
        throws SAXException {
        currentText.append(ch, start, length);
    }

    public void warning(SAXParseException ex) throws SAXException {
        System.err.println(
            "[Warning] " + getLocationString(ex) + ": " +
            ex.getMessage());
    }

    public void error(SAXParseException ex) throws SAXException {
        System.err.println(
            "[Error] " + getLocationString(ex) + ": " +
            ex.getMessage());
    }

    public void fatalError(SAXParseException ex)
        throws SAXException {
        System.err.println(
            "[Fatal Error] " + getLocationString(ex) + ": " +
            ex.getMessage());
        throw ex;
    }

    /** Returns a string of the location. */
    private String getLocationString(SAXParseException ex) {
        StringBuffer str = new StringBuffer();

        String systemId = ex.getSystemId();
        if (systemId != null) {
            int index = systemId.lastIndexOf('/');
            if (index != -1)
                systemId = systemId.substring(index + 1);
            str.append(systemId);
        }
        str.append(':');
        str.append(ex.getLineNumber());
        str.append(':');
        str.append(ex.getColumnNumber());

        return str.toString();

    }

}
SAXMain.java
package com.sauria.apachexml.ch1;

import java.io.IOException;

import org.apache.xerces.parsers.SAXParser;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;

public class SAXMain {

    public static void main(String[] args) {
        XMLReader r = new SAXParser();
        BookHandler bookHandler = new BookHandler();
        r.setContentHandler(bookHandler);
        r.setErrorHandler(bookHandler);
        try {
            r.parse("book.xml");
            System.out.println(bookHandler.getBook().toString());
            System.out.println(bookHandler.getBook().getAddress().toString());
        } catch (SAXException se) {
            System.out.println("SAX Error during parsing " +
                se.getMessage());
            se.printStackTrace();
        } catch (IOException ioe) {
            System.out.println("I/O Error during parsing " +
                ioe.getMessage());
            ioe.printStackTrace();
        } catch (Exception e) {
            System.out.println("Error during parsing " +
                e.getMessage());
            e.printStackTrace();
        }
    }
}